crypto: crc32c - Update the links to the white papers on CRC32C calculations...

crypto: crc32c - Update the links to the white papers on CRC32C calculations with PCLMULQDQ instructions.

Herbert,

The following patch update the stale link to the CRC32C white paper
that was referenced.

Tim
Signed-off-by: NTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

arch/x86/crypto/crc32c-pcl-intel-asm_64.S

 /*
  * Implement fast CRC32C with PCLMULQDQ instructions. (x86_64)
  *
- * The white paper on CRC32C calculations with PCLMULQDQ instruction can be
+ * The white papers on CRC32C calculations with PCLMULQDQ instruction can be
  * downloaded from:
- * http://download.intel.com/design/intarch/papers/323405.pdf
+ * http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/crc-iscsi-polynomial-crc32-instruction-paper.pdf
+ * http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-paper.pdf
  *
  * Copyright (C) 2012 Intel Corporation.
  *